US1730474A - Tin-cutting device - Google Patents

Description

E. E. OLLER TIN CUTTING mavrcs Filed April 21, 1928 Oct. 8, 1929.

2 Sheets-Sheet l Oct. 8, 1929. E. E. OLLER 1,730,474

I TIN CUTTING DEVICE Filed April 21. 1928 2 Sheets-Sheet 2 v I i Inventor E E. J/Aer 7 characters Patented Get 8, 1929 EMMETT ELMER OLLEE, OF LEITGHFIELD, KENTUCKY TIN-CUTTING DEVICE Application filed April 21,

This invention relates to new and useful improvements in devices for cutting lengths of tin or other sheet metal and aims to provide a very novel, simple and efiicient device suitable for use by carpenters, tinners, other sheet metal may be cut in a much easier and less laborious manner than is now possible with the use of tinners shears and other tools.

Further the invention aims to provide a relatively simple and inexpensive cutting device wherein there is little likelihood of the same becoming out of order the invention consisting of but few structural elements and these so corelated as to reducethe possibility of disarrangement to a minimum.

lVith the foregoing and other objects in view as the nature of the invention will be better understood, the same comprises the novel form, combination and arrangement ofv parts hereinafter more fully described, shown in the accompanying drawings and claimed: V

In the drawings wherein like reference indicate corresponding parts throughout the several views:

Figure 1 is a side elevation of my improved cutting device,

Figure 2 is a top plan view thereof,

Figure 3 is a detail longitudinal section,

Figure 1 is a transverse section, and

Figure 5 is a fragmentary perspective of the pivoted inner end of the cutting blade and its, associated dog which is pivoted to a member slidable upon a rack bar provided within the box-like housing of the device.

Now having particular reference to the drawings, my novel cutting device consists ,sition.

1922. Serial No. 271,889.

of a box-like housing 5 of somewhat elongated nature but ofrany predetermined dimensions one end of the housing being open and being provided at this end with a swinging door Gequipped with a suitable latch 7 whereby the door may belocked in closed po- Secured at its inner end to the closed end of the boX-likehousing is an elongated rack bar 8 the lower edge of which has spaced relation with the bottom surface of the lions ing as clearly disclosedin Figures 3 and 1. The inner face of the swinging door 6 at the opposite end of the housing is'equipped with a plate 9 having a socket 10 therein for re ceiving the outer end of the rack bar 8 when said door is closed to support this end of the rack bar. I v I The opposite sides of this rack bar 8 are formed with longitudinally extending ribs 11, 11 while slidable upon said rack bar is a block 12 the same being formed centrally with a slot 13 through which the rack bar projects, opposite vertical sides of the slot being notched for receiving the ribs 11, 11 of the h rack bar, see Figure 4, Pivoted to thetop side of this block 12 is-a dog lathe rear end of which projects downwardly for engagement within the teeth at the upper edge of the rack bar, see Figure 3. To the opposite end of this dog is pivoted a longitudinally extending somewhatoii'set tongue or extension 15 of a'cutting blade/16 the cuttingedge thereof being adjacent said rack bar 8. This blade 16 is freely movable within a longitudinal slot 17 formed in-the top wall of said housing. This slot terminates at one end adjacent the closed end of the housing and opens at the opposite end of the top wall as clear- 'gagement with a bracket attached to the outer end of the rack bar 18 when the blade has been swung entirely downwardly through I upon said rack bar.

the slot 17 and the same thence moved to a substantially longitudinal position within the housing after the cutting operation has been performed so that there will be no liability of ending the blade or breaking the handle. Obviously in use the blade is swung upwardly with respect to the housing and the sheet metal to be cut laid upon the housing. A downward movement of the handle will force the blade through'the material and if the width of the material is greater than the stroke of the blade it will only be necessary to again raise the blade and draw rearwardly thereon thus sliding the block 12 upon the rack bar 8 said block being held against reverse movea cutting blade pivoted to the upper end of the dog and adapted to extend through and move within the slot in the top wall of said housing, said slot extending completely through one end of the top wall of said housing, a hinged door at this end of the housing whereby the blade may be swung into position totally within the housing, and means associated with the inner end of said swinging door whereby to brace the adjacent end of said rack bar when the door is closed.

In testimony whereof I affiX my signature.

EMMETT ELMER OLLER.

ment by the engagenient of the dog 14: with p p the teeth of said rack bar. If desired, a quick ratcheting movement of the blade may be had for facilitating the quick and accurate, cutting of the metal.

Having thus described my invention, what I claim is move within the slot in the top wall of said housing. 7 l

2. In a cutting device of the character de scribed, a housing having a longitudinal slot wlthin 1ts top wall, a rack bar arranged longitudinally within said housing, a member slidable upon said rack bar, a cutting blade pivoted to said member and extending upwardly through the slot in the top wall of the housing, and means for limiting the sliding movement of the member in one direction 3. Ina metal cutting device of the character described, a housing having a longitudinal slot Within its top wall, a ratchet bar arranged longitudinally within the housing, a member.

slidably arranged upon said rack bar, a dog pivoted to, said member and adapted for engagement with the teeth of the rack bar, a cutting blade pivoted to'the upper end of the dog and adapted to extend through and move within the slot in the top wall of said housing, said slot extending completely through one end of the top wall of said housing, and a hinged door at this end of the housing whereby the blade may be swung into position totally within the housing 4. In a metal cutting device of the character described, a housing having a longitudinal slot within its top wall, a ratchet bar arranged longitudinally within the housing, a member slidably arranged upon said rack bar, a dog pivotedto said memberand adapted for engagement with the teeth of the rack bar,

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